CHECK_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);
  TFE_OpAddInput(op, axis, status);
  CHECK_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);
  TFE_OpSetAttrBool(op, "keep_dims", 1);
  TFE_OpSetAttrType(op, "Tidx", TF_INT32);
  TF_DeleteStatus(status);
  TFE_OpSetAttrType(op, "T", TFE_TensorHandleDataType(input));

  return op;
}

TFE_Op* AllReduceOp(TFE_Context* ctx, TFE_TensorHandle* in, int group_size) {

  tensorflow::AttrValueMap::const_iterator attr_found = attr_values.find("T");
  EXPECT_NE(attr_found, attr_values.cend());
  EXPECT_EQ(attr_found->second.type(), tensorflow::DataType::DT_FLOAT);
  attr_found = attr_values.find("Tidx");
  EXPECT_NE(attr_found, attr_values.cend());
  EXPECT_EQ(attr_found->second.type(), tensorflow::DataType::DT_INT32);

  TFE_TensorHandle* retvals[1] = {nullptr};
  int num_retvals = 1;

	// Test all combinations!
	for pIdx, params := range qParamsArr {
		for vIdx, vars := range varsArr {
			_, err := extractHealInitParams(vars, params, bytes.NewReader([]byte(body)))
			isErrCase := false
			if pIdx < 4 || vIdx < 1 {
				isErrCase = true
			}

			if err != ErrNone && !isErrCase {
				t.Errorf("Got unexpected error: %v %v %v", pIdx, vIdx, err)
			} else if err == ErrNone && isErrCase {

func (h *sizeHistogram) mergeV1(v sizeHistogramV1) {
	var oidx, nidx int
	for oidx < len(v) {
		intOld, intNew := ObjectsHistogramIntervalsV1[oidx], ObjectsHistogramIntervals[nidx]
		// skip intervals that aren't common to both histograms
		if intOld.start != intNew.start || intOld.end != intNew.end {
			nidx++
			continue
		}
		h[nidx] += v[oidx]
		oidx++
		nidx++
	}
}

				return
			}
		}
		var pool *erasureSets
		for pidx := range z.serverPools {
			if pidx == idx {
				pool = z.serverPools[idx]
				break
			}
		}
		if pool == nil {
			// We didn't find any matching pools, invalid input
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errInvalidArgument), r.URL)
			return
		}

		poolIndices = append(poolIndices, idx)
	}

        // Verify sorted order among the custom fields
        final int aIdx = extraFieldNames.indexOf("aaa_field");
        final int mIdx = extraFieldNames.indexOf("mmm_field");
        final int zIdx = extraFieldNames.indexOf("zzz_field");
        assertTrue(aIdx < mIdx);
        assertTrue(mIdx < zIdx);
    }

    @Test

	var wg sync.WaitGroup
	for idx, pool := range z.serverPools {
		if z.IsSuspended(idx) {
			continue
		}
		wg.Add(1)
		go func(idx int, pool *erasureSets) {
			defer wg.Done()
			result, err := pool.HealObject(ctx, bucket, object, versionID, opts)
			result.Object = decodeDirObject(result.Object)
			errs[idx] = err
			results[idx] = result
		}(idx, pool)
	}
	wg.Wait()

			}
		}

		if found != nil && found.ETag != "" && partMetaQuorumMap[maxETag] >= readQuorum {
			partInfosInQuorum[pidx] = *found
			continue
		}
		partInfosInQuorum[pidx] = ObjectPartInfo{
			Number: partNumbers[pidx],
			Error: InvalidPart{
				PartNumber: partNumbers[pidx],
			}.Error(),
		}
	}
	return partInfosInQuorum, nil
}

func objPartToPartErr(part ObjectPartInfo) error {

	handleListener := func(idx int, ln net.Listener) {
		for {
			conn, err := ln.Accept()
			select {
			case listener.acceptCh <- acceptResult{conn, err, idx}:
			case <-listener.ctxDoneCh:
				return
			}
		}
	}

	// Start separate goroutine for each listener to handle connection.
	for idx, ln := range listener.listeners {
		go handleListener(idx, ln)
	}
}

			}
			hr, err := hash.NewReaderWithOpts(ctx, bytes.NewReader(fanOutBuf), hopts)
			if err != nil {
				errs[idx] = err
				return
			}

			reader := NewPutObjReader(hr)
			defer func() {
				if err := reader.Close(); err != nil {
					errs[idx] = err
				}
				if err := hr.Close(); err != nil {
					errs[idx] = err
				}
			}()

			userDefined := make(map[string]string, len(req.UserMetadata))